Tesla Model Y Warning Lights: What They Mean

Red: stop or act now

Red brake indicator

Brake system fault detected or brake fluid level is low, when shown other than briefly at startup.
What to do: Contact Tesla immediately. Keep steady pressure on the brake pedal to stop when safe. PDF page 17

Red parking brake indicator

Parking brake is engaged. PDF page 18

Amber: check soon

Amber brake indicator

Brake booster fault detected or regenerative braking unavailable; Hydraulic Boost Compensation may be active.
What to do: Keep the brakes pressed firmly to stop the vehicle when safe to do so. PDF page 97

Amber parking brake indicator

Parking brake has an electrical issue, shown with a fault message. PDF page 18

Tire pressure indicator

One or more tires are underinflated or out of range; flashing means a TPMS fault.
What to do: Check and inflate tires. For a TPMS fault, schedule service with Tesla. PDF page 218

Summarized in our own words from the 2026 Tesla Model Y owner's manual (AI-assisted; every light name was matched against its cited page 2026-10-18). Your vehicle may not have every light, and other years can differ. A red warning that stays on usually means stop safely and check: your manual has the final word.